package nl.janvanloenen.bkc;

import java.sql.Date;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;
import nl.janvanloenen.bkc.Match.State;
import android.content.Intent;
import android.database.ContentObserver;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.TextView;

public class MainActivity extends FragmentActivity implements OnClickListener {

	ImageButton btn1;
	ImageButton btn6;
	DatabaseHandler db;

	/**
	 * The {@link android.support.v4.view.PagerAdapter} that will provide
	 * fragments for each of the sections. We use a
	 * {@link android.support.v4.app.FragmentPagerAdapter} derivative, which
	 * will keep every loaded fragment in memory. If this becomes too memory
	 * intensive, it may be best to switch to a
	 * {@link android.support.v4.app.FragmentStatePagerAdapter}.
	 */
	SectionsPagerAdapter mSectionsPagerAdapter;

	/**
	 * The {@link ViewPager} that will host the section contents.
	 */
	ViewPager mViewPager;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		// Create the adapter that will return a fragment for each of the three
		// primary sections of the app.
		mSectionsPagerAdapter = new SectionsPagerAdapter(
				getSupportFragmentManager());

		// Set up the ViewPager with the sections adapter.
		mViewPager = (ViewPager) findViewById(R.id.pager);
		mViewPager.setAdapter(mSectionsPagerAdapter);
		mViewPager.setOffscreenPageLimit(3);

		db = new DatabaseHandler(this);

		new backgroundThread().execute("BackgroundTask");
	}

	public void sync() {
		http http = new http();

		List<Match> allMatches = db.getAllMatches();
		List<Match> newMatches = null;
		List<Match> updatedMatches = null;

		for (Match match : allMatches) {
			if (match.getState() == State.NEW) {
				newMatches.add(match);
			} else if (match.getState() == State.UPDATE) {
				updatedMatches.add(match);
			}
		}

		// Delete old database and
		// Insert all to DB
		Match[] matches = http.getAllFromServer();
		if (matches != null) {
			db.deleteDB();

			for (Match match : matches) {
				// match.printMatch();
				// TODO: Remove Calendar if not needed anymore
				final Calendar c = Calendar.getInstance();
				Date today = new Date(c.get(Calendar.YEAR) - 1900,
						c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH));
				match.setDate(today.toString());// = today;
				db.addMatch(match);
			}
		}
	}

	private class MyContentObserver extends ContentObserver {

		public MyContentObserver() {
			super(null);
		}

		@Override
		public void onChange(boolean selfChange) {
			super.onChange(selfChange);
			mSectionsPagerAdapter.getItem(1).onResume();
		}
	}

	public boolean deliverSelfNotifications() {
		return true;
	}

	MyContentObserver contentObserver = new MyContentObserver();

	public void init() {
		if (btn1 == null) {
			btn1 = (ImageButton) findViewById(R.id.btn1);
			btn6 = (ImageButton) findViewById(R.id.btn6);
			btn1.setOnClickListener(this);
			btn6.setOnClickListener(this);
		}
	}

	@Override
	public void onClick(View v) {
		System.out.println("trigger");
		switch (v.getId()) {
		case R.id.btn1:
			mViewPager.setCurrentItem(1, true);

			return;
		case R.id.btn6:
			mViewPager.setCurrentItem(2, true);
			return;
		}
	}

	// Menu

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		init();
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case R.id.action_new_match:
			Intent openNewMatch = new Intent("nl.janvanloenen.bkc.NewMatch");
			startActivity(openNewMatch);
			return true;
		}
		return false;
	}

	// Page Adapter

	/**
	 * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
	 * one of the sections/tabs/pages.
	 */
	public class SectionsPagerAdapter extends FragmentPagerAdapter {

		public SectionsPagerAdapter(FragmentManager fm) {
			super(fm);
		}

		@Override
		public Fragment getItem(int position) {
			// getItem is called to instantiate the fragment for the given page.
			// Return a DummySectionFragment (defined as a static inner class
			// below) with the page number as its lone argument.
			Fragment fragment;

			switch (position) {
			case 0:
				fragment = new StartFragment();

				return fragment;
			case 1:
				fragment = new CompetitionFragment();
				fragment.setRetainInstance(false);
				return fragment;
			case 2:
				fragment = new AboutFragment();
				return fragment;
			}

			fragment = new DummySectionFragment();
			Bundle args = new Bundle();
			args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, position + 1);
			fragment.setArguments(args);
			return fragment;
		}

		@Override
		public int getCount() {
			// Show 3 total pages.
			return 3;
		}

		@Override
		public CharSequence getPageTitle(int position) {
			Locale l = Locale.getDefault();
			switch (position) {
			case 0:
				return getString(R.string.title_section1).toUpperCase(l);
			case 1:
				return getString(R.string.title_section2).toUpperCase(l);
			case 2:
				return getString(R.string.title_section3).toUpperCase(l);
			}
			return null;
		}
	}

	@Override
	public void onBackPressed() {
		int item = mViewPager.getCurrentItem();
		if (item != 0) {
			mViewPager.setCurrentItem(0, true);
		} else {
			super.onBackPressed();
		}
	}

	/**
	 * A dummy fragment representing a section of the app, but that simply
	 * displays dummy text.
	 */
	public static class DummySectionFragment extends Fragment {
		/**
		 * The fragment argument representing the section number for this
		 * fragment.
		 */
		public static final String ARG_SECTION_NUMBER = "section_number";

		public DummySectionFragment() {
		}

		@Override
		public View onCreateView(LayoutInflater inflater, ViewGroup container,
				Bundle savedInstanceState) {
			View rootView = inflater.inflate(R.layout.fragment_main_dummy,
					container, false);
			TextView dummyTextView = (TextView) rootView
					.findViewById(R.id.section_label);
			dummyTextView.setText(Integer.toString(getArguments().getInt(
					ARG_SECTION_NUMBER)));

			return rootView;
		}
	}

	/*
	 * Background Thread, needed for Android 3.0+ Makes the application better
	 * and faster!
	 */
	public class backgroundThread extends AsyncTask<String, Integer, String> {

		@Override
		protected String doInBackground(String... params) {
			System.out.println("Start Background Task");
			try {
				sync();
				System.out.println("End Background Task");
				return "somthing";
			} catch (Exception e) {
				e.printStackTrace();
			}
			System.out.println("FAIL Background Task");
			return null;
		}

		@Override
		protected void onPostExecute(String result) {
			if (result.isEmpty()) {
			}
		}
	}
}
